Hairpin



Patented Nov. 11,1930

UNITED STATES QHARLES A. DIES, OF CHIGAGC, ILLINOIS l.. 4. ai

PATENT- oFFicE- l HAIRPIN Appiclation sied rebruaryze, 1929. "seriaino, 342,764.

.The primary object of my inventionis `to provide a construction `of hairpin somewhatsimilar to that shown in my prior patent referred to but in which the opposite humps are formed in a` particular manner to reduce the cost of manufacture as well as provide a more effective construction, the hairpin form ing the subject matter of this application be-v ing effective'in usein holding bobbed hair ,by establishing a hrm grip. i

A further object of this invention is to provide in association with the opposite humpson the prongs or spaced apart mem bers of the U-shapedhairpin other features of construction which will cooperate with said humpsto securea more intimate engagement without affecting theeasy withdrawal ofthe hairpin. i 1` i,

With these principaliobjects in view the present invention consists in the formation of theopposite humps on the prongs of the hairpin by stamping or pressing them from the material instead of forming slits and staggering or distorting the prongs at opposite sides of the slits as shown and describef in my prior patent. l i

The present invention `further consists in the particular construction of hairpin `hereinafte'r described and specifically set forth Y in the appended claims.` g y In the drawings:

Figure 1 is a fronte,elevationV of a hairpin formed with oppositefhumps on the prong members thereof in accordance with my invention.

,y Figs. 2 andB `are similar views, showing modifications, 3e y `Eigsf 4 and 5 are front views showing .a` further modification ofthe hairpin with the prongs.apenedfandslosedirespectvely,

Y Fig. 6 is an edge view of the modification shown in Figs. 4 and 5. i

Figs?Y and 8 are enlarged detail views to more clearly show the formation of the` humps. Y. i

Figs. 9 and lines 9-9 and 10-10 of Fig. 7, and

Fig. 11 is a detail view of a modification of the crown showing theformation disclosed in my aforementioned patent. y

Like numerals of reference indicate like parts throughout the several views of the drawings. i

My improvements are applied to the conventional type of hairpins which are usually made of wire bent into U-shape providing a pair of spaced apartprongs 10-10 connect ed by a bight portion 11, which` latter is grasped in manipulating the hairpin, and in, some instances the prongs are bent baci; and forth into wave lines or corrugated for increasing their engagement with the hair,` while as shown in my prior patenthereinbef` fore referred to humps are provided inter-j` mediate the bight portion or crown and free ends of the prongs` by first cutting transverse slits` at spaced intervals and then slightly spreading the material sidewise at opposite sides of said slits, the present invention pro viding similar humps by an improved construction. i i i `In carrying out my invention each prong is provided with opposite humps 12,-12 spaced from each other intermediate. the bight por*l ion of the hairpin and ends of the prongs thereof, said humps being separated in the present instance by openings or holes 1,3to increase the effectiveness of the humps as well as being a necessary adjunctin the process of manufacturing the hairpin, 1t being understood that in formingthe humps suitable `dies are used which first punch the 10 are sectional views on the hole through the slightly fiattened` wire and then distort or spread the portions at oppositesides of the hole which` portions are stamped` or pressediby the dies to assume the shape clearly illustrated in` Figs. 6,7, andS; this operation being much simpler and less expensivethan forming the slits required in aanwinsten the .invernali illustrated. and.

' described in my prior patent; thatis to say,

fin the present instance the wire is punched or split and distorted while in the former instance the wirevwas slit' and the portions' Vformed thereby spread sidewise in lines parportion straight, as at 14,V or these portions forming the crown of the hairpin may be corrugated, as at 15in Figs.,2,j3,4;, and. Fur-j thermore, the oppositehunips may be disposed eitherina plane with the crown .as

shown in Figs. 1,2, and 3,01q at right angles i vided `with pairs; of oppositely disposed to said plane as 'shown in Figs. 4 andv 5, the

arrangement ofsaid humps with respect to theA U-shape hairpin depending upon the direction in which the Wire is bent upon itself,

as will be obvious. It will be noted by'rei erence'to the sectional views 9 and i0 that Ythe portions of the'wire hairpin between the humps, as well as' the crown and ends vrot the prongs are slightly flattened at opposite sides, this -being the preferredv cross-sectional shape though it is lnot the purpose" to limit my invention in this respect. Y

' As a urther modification ofiny invention,

and Vmore: especially for the purpose of in-l creasing theeffec'iiveness of the hairpinin holdingbobbed hair, one' of the prongs is ,extended and bent upon itseliifin thejform of a hook or keeper 16 to'receivethe'end' of the other prong, after the manneror" a safety pin, the hairpin maybe locked with a cluster of hair confined or clamped betweenthein,

Y l forfwhich purpose the keeper 1 6 is provided with an eye l7depressed centrally, asat 17a, to receive the outer end ofv theother-prong, asy shown in the drawings. The keeperis turned inwardly,l and there is only' a slight space between the oherenlarged end or eye theresV `of and-the 'adjoining portion of the prong to leavesufhcient space Vto receive the cooperatingfend of the'fcompanion'prong of the tion f with the" accoinp anying drawings it will be'apparentfthat the construction of hair-z pi'nfforming the subject;l matter of this applicati'on is an improvement" upon the: hairpin disclosed' in'l ymy `prior patent `for the reason that the openings between lthe hum-ps not*only''providefoi; amore econoniicalfconstruetionbiit also increase the eii'ecti'veness oli-'the hairpin-linuse, `and with the provision of the in turnedkeeper ati-the lower-end offene otfthefprongstof l'oclitl'ie pin in the hair thei deviee`, is' especially adapted for use' in holding'bobbedhair in place'. -YIvliavfe"shown and describedseveral"orinsof hairpins einbodying my invention, but itV will be obvious that othermodifications in the shape.or-"cons humps From-thefforegoing description in connec-VV lor crown., pairs of oppositely' disposed humps formed integrally with vthe prongs in different juxtaposed parallel planes and openings through the Vprongs between the pairs of incrossfsectionand. in different juxtaposed Y parallel planes, and openings through the prongs between thepairs of humps 3; A- hairpin the-prongs of which are pro-i humps sepa-r'atedbyy openings through the JLronds an inwardl turned end onioneof the D 7 Y u u n prongs, and means onsaid inturned end w ,ith

which the outer plain endof'the otherprong n engages in closed position of 'thehairpin 4. A hairpin the prongs of which are lprovided with pairs of oppositely :disposed humps each pair, separated by an opening l through the prong, said'pai'rsot1 humps be? ing arranged in series intermediate the lbight portion-of the hairpin and ends of the prongsl with that portion of said prongs betweentheV lbight and humps corrugated to' increase the hold of the hai-rpinin the hair,theendfo'o'nev Vhold of the hairpin in the hair, ,the end of one ofthe prongs beingbentfinto a keeper depressed at its outer end to cooperate with the other prong atterthemanner of a 'safety pin; A 6. ln a hairpinhavingspaced apart'proiigs ica connected by Va bightpertion, mea-ns for connecting the ends Aof the prongstogether con; sisting of aneyeforined at the outer Vend of one of the prongs andy bent inwardly and upwardlysubstantially `parallel with said prongA the outerend of the other prong. ,v

7. lIn a hairpinhaving spaced apart prongs connectedby a bight portion, theouterjend of one of theprongs being straight or plain, 'and an eye formed at the outer end of theotherf prong land bent inwardly and upwardly subto Jform a 'keeperfor'releasable engagement ofI s'tantially parallel therewith, the outer end of said eye being depressed centrally to receiveand holdthe outer plainendof the'other Y 1- .enaatiiszaf Diss. n

prongs anda con- .,necting crown or bight, pairs of oppositely' disposed humps on the prongs semi-spherical 

